javascript Programming Glossary: doingAccess / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json move further. console.log MDN and console.dir MDN help us doing this. For example output of the Chrome console console.log data.items..
event.preventDefault() vs. return false http://stackoverflow.com/questions/1357118/event-preventdefault-vs-return-false method. Perhaps there are some reasons why I should avoid doing it like this and use preventDefault instead What's the better..
Why does jQuery or a DOM method such as `getElementById` not find the element? http://stackoverflow.com/questions/14028959/why-does-jquery-or-a-dom-method-such-as-getelementbyid-not-find-the-element the load DOMContentLoaded events is exactly what jQuery is doing with .ready docs . All your jQuery code that affects DOM element..
Elegant workaround for JavaScript floating point number problem http://stackoverflow.com/questions/1458633/elegant-workaround-for-javascript-floating-point-number-problem problem That depends on what kind of calculations you 胩e doing. If you really need your results to add up exactly especially..
Difference between using var and not using var in JavaScript http://stackoverflow.com/questions/1470488/difference-between-using-var-and-not-using-var-in-javascript scope above creating a closure moo 3 Global If you're not doing an assignment then you need to use var var x Declare x share..
How do I “think in AngularJS” if I have a jQuery background? http://stackoverflow.com/questions/14994391/how-do-i-think-in-angularjs-if-i-have-a-jquery-background What is the biggest difference What should I stop doing using what should I start doing using instead Are there any.. What should I stop doing using what should I start doing using instead Are there any server side considerations restrictions.. don't use jQuery at all at least until they get used to doing things the Angular Way . I've seen many developers here and..
How to “properly” create a custom object in JavaScript? http://stackoverflow.com/questions/1595611/how-to-properly-create-a-custom-object-in-javascript this.x and this.y . If the constructor function were doing anything more complicated it would fall flat on its face. So.. prototyping for real JavaScript inheritance when I'm doing strongly OO stuff and closures for simple throwaway page effects...
Change an element's CSS class with JavaScript http://stackoverflow.com/questions/195951/change-an-elements-css-class-with-javascript a ~50KB framework for simply changing a class if you are doing any substantial amount of JavaScript work or anything that might..
http://stackoverflow.com/questions/2320069/jquery-ajax-file-upload
Use of 'prototype' vs. 'this' in Javascript? http://stackoverflow.com/questions/310870/use-of-prototype-vs-this-in-javascript common misunderstanding. The two given examples are really doing entirely different things. We can take a look at the differences..
Does it matter which equals operator (== vs ===) I use in JavaScript comparisons? http://stackoverflow.com/questions/359494/does-it-matter-which-equals-operator-vs-i-use-in-javascript-comparisons to replace two equals signs with three equals signs when doing things like comparing idSele_UNVEHtype.value.length 0 inside.. Operators The operator will compare for equality after doing any necessary type conversions . The operator will not do the..
XmlHttpRequest error: Origin null is not allowed by Access-Control-Allow-Origin http://stackoverflow.com/questions/3595515/xmlhttprequest-error-origin-null-is-not-allowed-by-access-control-allow-origin if you were reaching Flickr via .get they must have been doing while the other was to echo back the contents of the Origin..
jQuery/JavaScript: accessing contents of an iframe http://stackoverflow.com/questions/364952/jquery-javascript-accessing-contents-of-an-iframe policy share improve this question I think what you are doing is subject to the same origin policy . This should be the reason..
How does JavaScript .prototype work? http://stackoverflow.com/questions/572897/how-does-javascript-prototype-work a while back I'm not actually sure what the hell I'm doing. As I understand it there's no concept of a class it's just..
Most elegant way to clone a JavaScript object http://stackoverflow.com/questions/728360/most-elegant-way-to-clone-a-javascript-object to y do not modify x . What's the most elegant way of doing this in JavaScript Edit I realize that copying objects derived..
Why define anonymous function and pass it jQuery as the argument? http://stackoverflow.com/questions/10371539/why-define-anonymous-function-and-pass-it-jquery-as-the-argument in here What's the point advantage of the first approach Doing it this way creates an anonymous function that is then executed..
Replacing all occurrences of a string in javascript? http://stackoverflow.com/questions/1144783/replacing-all-occurrences-of-a-string-in-javascript Test abc test test abc test test test abc test test abc Doing str str.replace 'abc' '' Seems only to remove the first occurrence..
rails and backbone working together http://stackoverflow.com/questions/11918586/rails-and-backbone-working-together for accessing the RESTful resources your service provides. Doing away with them leaves you with two access points For humans..
How can I pass variables between controllers in AngularJS? http://stackoverflow.com/questions/12008908/how-can-i-pass-variables-between-controllers-in-angularjs do ideally I get an error. Does anyone know how to do this Doing Ctrl2.prototype new Ctrl1 Also fails. NOTE These controllers..
Is $(document).ready() also CSS ready? http://stackoverflow.com/questions/1324568/is-document-ready-also-css-ready scripts especially those that call the ready function . Doing so will make sure that all element properties are correctly..
What does “use strict” do in JavaScript, and what is the reasoning behind it? http://stackoverflow.com/questions/1335851/what-does-use-strict-do-in-javascript-and-what-is-the-reasoning-behind-it at line 1 character 1 Missing use strict statement. Doing some searching I realized that some people add use strict into..
What is the JavaScript >>> operator and how do you use it? http://stackoverflow.com/questions/1822350/what-is-the-javascript-operator-and-how-do-you-use-it ~ are defined in terms of operations on 32 bit integers. Doing a bitwise operation converts the number to a 32 bit signed int..
Creating range in JavaScript - strange syntax http://stackoverflow.com/questions/18947892/creating-range-in-javascript-strange-syntax so much rely on obscure hacks. 4. How Number treats input Doing Number something section 15.7.1 converts something to a number..
How to detect when a tab is focused or not in Chrome with Javascript? http://stackoverflow.com/questions/2720658/how-to-detect-when-a-tab-is-focused-or-not-in-chrome-with-javascript scrolling and such is insufficient to make this work. Doing window.focus does not make this work automatically either. If..
Performance of CSS Transitions vs. JS animation packages http://stackoverflow.com/questions/2999749/performance-of-css-transitions-vs-js-animation-packages different DIVs each containing a canvas with some lines . Doing the exact same thing using CSS transitions I see absolutely..
Get real image width and height with JavaScript in Safari/Chrome? http://stackoverflow.com/questions/318630/get-real-image-width-and-height-with-javascript-in-safari-chrome browsers like Safari and Google Chrome values are 0... Doing this on server side is not an option. javascript jquery safari..
How to check if page exists using Javascript http://stackoverflow.com/questions/3922989/how-to-check-if-page-exists-using-javascript does the .ajax method will download the entire page. Doing a HEAD request will only return the headers and indicate whether..
http://stackoverflow.com/questions/4639372/export-to-csv-in-jquery me save files without having to make another server call. Doing this reduces server load and makes a good user experience. To..
Getting an absolute URL from a relative one. (IE6 issue) http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
How to decide when to use NodeJS? http://stackoverflow.com/questions/5062614/how-to-decide-when-to-use-nodejs application that sends updates to the user in real time. Doing long polling on many of the web's giants like rails or django..
Convert js Array() to JSon object for use with JQuery .ajax http://stackoverflow.com/questions/713884/convert-js-array-to-json-object-for-use-with-jquery-ajax to.... var saveData saveData 'a' 2 saveData 'c' 1 Doing it the way you are doing it with Arrays is just taking advantage..
How can I use JavaScript within an Excel macro? http://stackoverflow.com/questions/848246/how-can-i-use-javascript-within-an-excel-macro Cheeso.Google.DiffMatchPatch WScript.echo Doing the Diff... x d.Diff t1 t2 WScript.echo WScript.echo Result..
http://stackoverflow.com/questions/9032856/what-is-the-explanation-for-these-bizarre-javascript-behaviours-mentioned-in-the 1 result NaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaNNaN Doing wat 1 results in wat1wat1wat1wat1 ... I suspect this is just..
obj.length === +obj.length in javascript http://stackoverflow.com/questions/9188998/obj-length-obj-length-in-javascript UglifyJS etc a.length a.length vs typeof a.length 'number' Doing it their way would save 5 bytes each instance. share improve..
How to include a JavaScript file in another JavaScript file? http://stackoverflow.com/questions/950087/how-to-include-a-javascript-file-in-another-javascript-file Loading . Now there is a big issue you must know about. Doing that implies that you remotely load the code . Modern web browsers..
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